<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>提交数据</title>
    <style>
        input{padding: 0;margin: 10px 0;}
        h1{color: brown;}
    </style>
</head>
<body>
<h1>请提交数据</h1>
<form action="0012.php" method="get">
    姓名:<input name="xm"><br>
    年龄:<input name="age"><br>
    <input type="submit" value="提交数据">
</form>
</body>
</html>